package jdbc;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

public class JDBCDemo9 {
    public static void main(String[] args) {
        try (Connection con=DBUtil.getConnection()){
            String sql="INSERT INTO userinfo(username,password,nickname,age) "+
                       "VALUES(?,?,?,?)";
            PreparedStatement ps=con.prepareStatement(sql);
            ps.setString(1,"赵四");
            ps.setString(2,"123456");
            ps.setString(3,"小四");
            ps.setInt(4,18);

            //执行是不用在传递sql语句了
            int num=ps.executeUpdate();
            System.out.println(num>0?"插入成功":"插入失败");
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}
